can long
Verbo regular: long - longed- longed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can long
you can long
he can long
we can long
you can long
they can long 	I can be longing
you can be longing
he can be longing
we can be longing
you can be longing
they can be longing	I can have longed
you can have longed
he can have longed
we can have longed
you can have longed
they can have longed	I can have been longing
you can have been longing
he can have been longing
we can have been longing
you can have been longing
they can have been longing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't long
you can't long
he can't long
we can't long
you can't long
they can't long 	I can't be longing
you can't be longing
he can't be longing
we can't be longing
you can't be longing
they can't be longing	I can't have longed
you can't have longed
he can't have longed
we can't have longed
you can't have longed
they can't have longed	I can't have been longing
you can't have been longing
he can't have been longing
we can't have been longing
you can't have been longing
they can't have been longing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I long?
can you long?
can he long?
can we long?
can you long?
can they long? 	can I be longing?
can you be longing?
can he be longing?
can we be longing?
can you be longing?
can they be longing? 	can I have longed?
can you have longed?
can he have longed?
can we have longed?
can you have longed?
can they have longed? 	can I have been longing?
can you have been longing?
can he have been longing?
can we have been longing?
can you have been longing?
can they have been longing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I long?
can't you long?
can't he long?
can't we long?
can't you long?
can't they long? 	can't I be longing?
can't you be longing?
can't he be longing?
can't we be longing?
can't you be longing?
can't they be longing? 	can't I have longed?
can't you have longed?
can't he have longed?
can't we have longed?
can't you have longed?
can't they have longed? 	can't I have been longing?
can't you have been longing?
can't he have been longing?
can't we have been longing?
can't you have been longing?
can't they have been longing?